Finding the Fourth Proportional to 11,891,434.20, 17,837,151.30 and 3,371,659.80
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Solution
The fourth proportional to 11,891,434.20, 17,837,151.30 and 3,371,659.80 is: 5,057,489.70
Step by Step Solution
- Step 1: Write the proportion equation
11,891,434.20 : 17,837,151.30 = 3,371,659.80 : x - Step 2: Convert to fraction form
11,891,434.20/17,837,151.30 = 3,371,659.80/x - Step 3: Cross multiply
11,891,434.20x = 17,837,151.30 × 3,371,659.80 - Step 4: Simplify right side
11,891,434.20x = 60,140,805,984,727.74 - Step 5: Solve for x
x = 60,140,805,984,727.74/11,891,434.20 - Step 6: Final answer
x = 5,057,489.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.